SELECT DISTINCT a.都道府県コード,
       a.都道府県名,
       a.総人口2015年,
       a.総人口2020年,
       ROUND((CAST(a.総人口2020年 AS FLOAT)/a.総人口2015年)*100,0) AS 人口増加率
FROM (SELECT POPU_TRANSITION.PF_CODE AS 都道府県コード,
             PREFECTURE.PF_NAME AS 都道府県名,
             (SELECT TOTAL_AMT
              FROM POPU_TRANSITION b
              WHERE TOTAL_AMT IS NOT NULL AND SURVEY_YEAR = '2015' AND POPU_TRANSITION.PF_CODE = b.PF_CODE) AS 総人口2015年,
             (SELECT TOTAL_AMT
              FROM POPU_TRANSITION c
              WHERE TOTAL_AMT IS NOT NULL AND SURVEY_YEAR = '2020' AND POPU_TRANSITION.PF_CODE = c.PF_CODE) AS 総人口2020年
        FROM POPU_TRANSITION
        INNER JOIN PREFECTURE ON POPU_TRANSITION.PF_CODE = PREFECTURE.PF_CODE) a
WHERE 人口増加率 >= 100
ORDER BY 人口増加率 DESC,a.都道府県コード ASC